fix: flaky CI

[aarnphm]

This PR ensures interceptors are registered correctly instead of MK

[codecov]

Codecov Report

Merging #3083 (b80f95e) into main (81dd8de) will increase coverage by 3.29%.
The diff coverage is 70.00%.

@@            Coverage Diff             @@
##             main    #3083      +/-   ##
==========================================
+ Coverage   58.59%   61.88%   +3.29%     
==========================================
  Files         103      123      +20     
  Lines       10162    10951     +789     
  Branches     1747     1876     +129     
==========================================
+ Hits         5954     6777     +823     
+ Misses       3817     3734      -83     
- Partials      391      440      +49     

Impacted Files	Coverage Δ
src/bentoml/grpc/types.py	0.00% <ø> (ø)
src/bentoml/_internal/server/grpc/servicer.py	54.87% <40.00%> (+0.55%)	⬆️
src/bentoml/_internal/server/grpc/server.py	35.64% <100.00%> (-0.64%)	⬇️
src/bentoml/_internal/service/service.py	85.00% <100.00%> (ø)
src/bentoml/grpc/interceptors/access.py	95.34% <100.00%> (ø)
src/bentoml/grpc/interceptors/opentelemetry.py	77.61% <100.00%> (ø)
src/bentoml/grpc/interceptors/prometheus.py	96.15% <100.00%> (ø)
src/bentoml/grpc/utils/__init__.py	88.88% <100.00%> (ø)
src/bentoml/__init__.py	0.00% <0.00%> (ø)
src/bentoml/torchscript.py	55.55% <0.00%> (ø)
... and 35 more

[bojiang]

It seems that the e2e get unstable after #2984